US9133899B2 - Energy-absorbing element and related pretensioning flange - Google Patents
Energy-absorbing element and related pretensioning flange Download PDFInfo
- Publication number
- US9133899B2 US9133899B2 US13/581,339 US201113581339A US9133899B2 US 9133899 B2 US9133899 B2 US 9133899B2 US 201113581339 A US201113581339 A US 201113581339A US 9133899 B2 US9133899 B2 US 9133899B2
- Authority
- US
- United States
- Prior art keywords
- energy
- absorbing
- absorbing element
- energy absorbing
- tensioning rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/12—Attachments or mountings
- F16F1/13—Attachments or mountings comprising inserts and spacers between the windings for changing the mechanical or physical characteristics of the spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/08—Functional characteristics, e.g. variability, frequency-dependence pre-stressed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
- F16F2236/06—Tension
Definitions
- the invention relates to an improved energy-absorbing element and its related pretensioning flange.
- the invention is particularly advantageous, however not exclusive, to the manufacture of helicopter seats.
- FIG. 1 shows an energy-absorbing element 1 described in the document EP 2113677 equipped with an absorbing portion 2 , a first anchoring point 3 and a second anchoring point 4 , a first and second distal ends 2 ′, 2 ′′ of said absorbing portion 2 being respectively secured to the first and second anchoring points 3 , 4 .
- the absorbing portion 2 comprises at least one solid filiform element 5 , 6 which is elastically deformed under tensile forces not exceeding a predetermined threshold and which is plastically deformed under tensile forces exceeding said predetermined threshold, said at least one filiform element 5 , 6 being equipped with a succession of straight segments 7 , 8 , 9 and arc-shaped segments 10 so as to have at least two successive straight segments connected by an arc-shaped segment 10 .
- the invention has the particular purpose of improving the performance levels of this absorbing element.
- the invention involves pretensioning the energy-absorbing element throughout its length using a suitable tool, then inserting a flange maintaining its pretensioned state.
- the invention therefore relates to an energy-absorbing element comprising:
- the absorbing portion is formed by two solid filiform elements capable of becoming elastically deformed under tensile forces not exceeding a predetermined threshold and becoming plastically deformed under tensile forces exceeding said predetermined threshold, with the flange being installed between these two filiform elements.
- the pretensioning flange is positioned along an axis of symmetry of the absorbing element.
- the thickness of the flange is dependent on the compressive forces exerted by the absorbing portion on the flange.
- the length of the flange is dependent on the level of pretensioning required by the absorbing portion for the desired functioning.
- the invention also relates to a flange intended for use with the absorbing element according to the invention, characterised in that it has the substantial shape of a lengthened rod comprising ends, each with two edges defining a basin for receiving the distal ends of the absorbing element.
- FIG. 1 a schematic representation of an energy-absorbing element according to the prior art
- FIG. 2 a schematic representation of an improved absorbing element according to the invention and a longitudinal cross-section of the flange according to the invention
- FIG. 3 a schematic representation of a tool according to the invention for pretensioning the absorbing element in FIG. 1 so as to insert the flange according to the invention.
- FIG. 2 shows an improved energy-absorbing element 1 ′ according to the invention, particularly suited to the construction of helicopter seats.
- This element 1 ′ is equipped with an absorbing portion 2 , a first anchoring point 3 and a second anchoring point 4 , a first and second distal ends 2 ′, 2 ′′ of said absorbing portion 2 being respectively secured to the first and second anchoring points 3 , 4 .
- the absorbing portion 2 comprises two solid filiform elements 5 , 6 which are elastically deformed under tensile forces not exceeding a predetermined threshold and which are plastically deformed under tensile forces exceeding said predetermined threshold.
- Said filiform elements 5 , 6 are equipped with a succession of straight segments 7 , 8 , 9 and arc-shaped segments 10 so as to have at least two successive straight segments connected by an arc-shaped segment 10 .
- a pretensioning flange 12 is installed between the first 2 ′ and second 2 ′′ distal ends respectively corresponding to the straight segments 8 and 9 of the element 1 ′ the furthest away from each other.
- the flange 12 is also positioned between the two filiform elements 5 , 6 .
- the flange 12 is positioned at the centre of the energy-absorbing element 1 , i.e. it is positioned along an axis of symmetry X of the absorbing element 1 ′.
- This flange 12 exceeds the gap E between the two distal ends 2 ′, 2 ′′ so as to pretension said absorbing element 1 ′.
- This gap E corresponds to the distance separating the straight segments of the ends 8 and 9 when the element 1 is not pretensioned.
- the flange 12 has the substantial shape of a lengthened rod with ends 13 ending in two blocking elements. These blocking elements are designed to hold the energy-absorbing element 1 ′ in position without the risk of the latter becoming deformed.
- the blocking elements are each formed by two edges 13 . 1 , 13 . 2 defining a basin for receiving the distal ends 2 ′, 2 ′′ of the absorbing element 1 ′, the edges 13 . 1 , 13 . 2 being intended to rest against the sides of the distal ends 2 ′, 2 ′′ in order to limit the possible movement of the flange 12 along a direction perpendicular to the longitudinal direction of the absorbing element 1 ′.
- FIG. 2 also shows that the thickness K 1 of the portion 22 of the flange 12 which extends between the two ends 13 does not exceed the thickness K 2 of each of the ends 13 .
- the flange 12 is designed so as not to buckle under the forces exerted by the energy-absorbing element 1 ′. Therefore, the thickness K 1 of the flange 12 is dependent on the compressive forces exerted by the energy-absorbing element 1 on the flange 12 .
- the length L of the flange 12 is dependent on the level of pretensioning required by the energy-absorbing element 1 for the desired functioning.
- the flange 12 is maintained by the compressive forces F exerted by the energy-absorbing element, which tends to want to return to the position in which the element is not pretensioned.
- the straight segments 7 , 8 , 9 are substantially parallel to each other when no pretensioning force is applied by the flange 12 on the absorbing element (refer to FIG. 1 ), and form a slight angle with a direction B perpendicular to the longitudinal direction of the flange 12 when the element is pretensioned by the flange (refer to FIG. 2 ).
- the direction B is located along a plane in which the filiform elements 5 , 6 extend.
- a helicopter seat comprises an upright 19 designed to integrate two pins 15 , 16 cooperating with the anchoring points 3 , 4 of the energy-absorbing element 1 ′. More precisely, the pin 16 is a fixed pin cooperating with the anchoring point 3 .
- the pin 15 is a mobile pin sliding within a guideway of the upright 19 , this pin 15 being connected to a bucket with reference 20 .
- the method consists in pretensioning the energy-absorbing element 1 ′ using a specialised tool 17 with the aim of inserting a flange 12 into the guideway of the upright 19 blocking the mobile pin 15 in position.
- the pins 15 and 16 have the characteristic of being able to adapt on the specialised tool 17 to exert a pretensioning force in order to perform the installation step for the pretensioning flange 12 .
- the advantage associated with pretensioning the flange 12 involves improving the performance levels of the energy-absorbing element 1 according to the prior art, in particular in its applications described in the document EP-2113677.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10305209.8 | 2010-03-01 | ||
EP10305209 | 2010-03-01 | ||
EP10305209 | 2010-03-01 | ||
PCT/FR2011/050424 WO2011107706A1 (fr) | 2010-03-01 | 2011-03-01 | Elément absorbant d'énergie perfectionné et bride de précontrainte associée |
Publications (2)
Publication Number | Publication Date |
---|---|
US20130038007A1 US20130038007A1 (en) | 2013-02-14 |
US9133899B2 true US9133899B2 (en) | 2015-09-15 |
Family
ID=44080350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/581,339 Active 2031-07-04 US9133899B2 (en) | 2010-03-01 | 2011-03-01 | Energy-absorbing element and related pretensioning flange |
Country Status (3)
Country | Link |
---|---|
US (1) | US9133899B2 (fr) |
EP (1) | EP2542797B1 (fr) |
WO (1) | WO2011107706A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170015170A1 (en) * | 2014-02-24 | 2017-01-19 | ThyssenKrupp Federn und Stabilisatoren GmbH | Suspension spring unit for a vehicle chassis |
US10612893B2 (en) * | 2018-05-15 | 2020-04-07 | Southwest Research Institute | Vehicular external force absorption systems and methods |
DE102017116727B4 (de) | 2016-07-25 | 2023-01-12 | GM Global Technology Operations LLC | Sitzbaugruppe mit Energieabsorber |
USD1005975S1 (en) * | 2021-02-05 | 2023-11-28 | Mim Construction Ab | Energy absorbing member |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3015310B1 (fr) * | 2014-10-31 | 2018-08-15 | Lisa Dräxlmaier GmbH | Mobilier de véhicule et véhicule |
WO2018189399A1 (fr) | 2017-04-13 | 2018-10-18 | Rheinmetall Chempro Gmbh | Siège absorbant des chocs comprenant des organes d'amortissement montés au sol ou au plafond |
DE102020105157B3 (de) * | 2020-02-27 | 2021-07-01 | Audi Aktiengesellschaft | Radaufhängung für ein Fahrzeug, insbesondere für ein Kraftfahrzeug, sowie Fahrzeug mit einer solchen Radaufhängung |
US20220196104A1 (en) * | 2020-12-18 | 2022-06-23 | Cameron International Corporation | System and method for damping forces exerted on a cable |
Citations (40)
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---|---|---|---|---|
US1433201A (en) | 1921-10-27 | 1922-10-24 | Hugo B Grant | Bumper |
GB497008A (en) | 1937-06-05 | 1938-12-05 | Edward Turner | A motor-cycle suspension system |
US2219001A (en) * | 1939-03-16 | 1940-10-22 | Tufts Marshall Woodman | Spring device |
US3056596A (en) * | 1960-05-09 | 1962-10-02 | Northrop Corp | Shock absorber |
BE646747A (fr) | 1960-10-26 | 1964-08-17 | ||
US3198288A (en) | 1962-04-04 | 1965-08-03 | Mary Presunka | Impact energy absorber |
US3326603A (en) | 1965-06-15 | 1967-06-20 | Lehner Wilhelm | Vehicle seat, especially for agricultural vehicles |
GB1077322A (en) | 1965-01-15 | 1967-07-26 | Ml Aviation Co Ltd | Improvements in energy absorption devices |
US3425318A (en) * | 1966-12-14 | 1969-02-04 | Lord Corp | Recoil isolator for machine guns and the like |
US3447833A (en) | 1967-09-13 | 1969-06-03 | Herbert C Rice | Passenger restraining system |
US3482872A (en) | 1968-02-12 | 1969-12-09 | Thomas E Chamberlain | Seat belt assembly |
US3572828A (en) | 1967-10-23 | 1971-03-30 | Wilhelm Lehner | Seat for vehicle preferably agricultural vehicle |
US3724603A (en) | 1971-07-13 | 1973-04-03 | Toyota Motor Co Ltd | Collision force absorption device |
US3737155A (en) * | 1971-06-21 | 1973-06-05 | J Karlan | Combination vibration isolator and shock absorber |
US3985388A (en) | 1975-08-11 | 1976-10-12 | Uop Inc. | Vertically adjustable seat with energy absorbing means |
EP0078479A1 (fr) | 1981-11-02 | 1983-05-11 | Engineering Patents & Equipment Limited | Aménagement de siège à absorption d'énergie |
US4662597A (en) | 1982-06-01 | 1987-05-05 | Milsco Manufacturing Company | Suspension for vehicle seat |
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US4838514A (en) | 1988-06-03 | 1989-06-13 | Milsco Manufacturing Company | Vehicle seat |
US5125598A (en) | 1989-12-07 | 1992-06-30 | Bell Helicopter Textron Inc. | Pivoting energy attenuating seat |
US5176356A (en) | 1991-11-27 | 1993-01-05 | Milsco Manufacturing Company | Seat suspension with quick height adjustment |
GB2269647A (en) | 1992-08-14 | 1994-02-16 | Sulcated Springs Limited | Compliant support system |
US5368358A (en) * | 1993-05-21 | 1994-11-29 | Christensen; Roland J. | Composite spring support for bicycle seats |
EP0814020A2 (fr) | 1996-06-19 | 1997-12-29 | Martin-Baker Aircraft Co. Ltd. | Siège anti-écrasement |
US5788185A (en) | 1996-05-17 | 1998-08-04 | Impact Dynamics, Inc. | Aircraft seat having improved user lumbar load characteristics during a crash event |
EP0927659A2 (fr) | 1998-01-02 | 1999-07-07 | Volkswagen Aktiengesellschaft | Système de retenue pour un siège d'enfant emporté dans un véhicule automobile |
DE10026178A1 (de) | 1999-05-26 | 2001-02-01 | Deutsch Zentr Luft & Raumfahrt | Elastisches Konstruktionselement |
US6427990B1 (en) * | 1999-09-01 | 2002-08-06 | Siegbert Hartmann | Spring body |
US20040051356A1 (en) | 2002-09-17 | 2004-03-18 | Neelis Jeffrey C. | Vehicle anchorage system for child seat |
US20070029444A1 (en) | 2005-05-03 | 2007-02-08 | Societe Industrielle Et Commerciale De Materiel Aeronautique | Aircraft safety seat |
US20070267792A1 (en) * | 2005-08-13 | 2007-11-22 | Elmoselhy Salah A M | Sigma-springs for suspension systems |
CN101195351A (zh) | 2006-12-08 | 2008-06-11 | 福特环球技术公司 | 用于儿童安全座椅的能量吸收座椅锚固约束系统 |
US20090200721A1 (en) * | 2008-01-28 | 2009-08-13 | Vladimir Kobelev | Motor vehicle spring comprising fiber composite material |
US20090267391A1 (en) * | 2008-04-28 | 2009-10-29 | Eurocopter | Energy absorber element |
US7775479B2 (en) | 2007-01-22 | 2010-08-17 | Airbus Deutschland Gmbh | Lining framework for an aircraft |
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US20110079681A1 (en) | 2009-09-30 | 2011-04-07 | Eurocopter | Seat for powered aircraft, the seat incorporating means for protecting its passenger in the event of a crash |
US20110147562A1 (en) | 2008-01-08 | 2011-06-23 | Smart Technologies Ulc | Safety device for a cantilevered beam and boom assembly incorporating the same |
US8087723B2 (en) | 2008-04-28 | 2012-01-03 | Eurocopter | Crashworthy seat for a vehicle |
FR2965177A1 (fr) | 2010-09-23 | 2012-03-30 | Oreal | Procede de traitement des matieres keratiniques a partir d'une composition cosmetique congelee riche en corps gras liquide |
-
2011
- 2011-03-01 WO PCT/FR2011/050424 patent/WO2011107706A1/fr active Application Filing
- 2011-03-01 EP EP11712944.5A patent/EP2542797B1/fr active Active
- 2011-03-01 US US13/581,339 patent/US9133899B2/en active Active
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US1433201A (en) | 1921-10-27 | 1922-10-24 | Hugo B Grant | Bumper |
GB497008A (en) | 1937-06-05 | 1938-12-05 | Edward Turner | A motor-cycle suspension system |
US2219001A (en) * | 1939-03-16 | 1940-10-22 | Tufts Marshall Woodman | Spring device |
US3056596A (en) * | 1960-05-09 | 1962-10-02 | Northrop Corp | Shock absorber |
BE646747A (fr) | 1960-10-26 | 1964-08-17 | ||
US3291525A (en) | 1960-10-26 | 1966-12-13 | Fritzmeier Rupert | Vehicle seats |
US3198288A (en) | 1962-04-04 | 1965-08-03 | Mary Presunka | Impact energy absorber |
GB1077322A (en) | 1965-01-15 | 1967-07-26 | Ml Aviation Co Ltd | Improvements in energy absorption devices |
US3326603A (en) | 1965-06-15 | 1967-06-20 | Lehner Wilhelm | Vehicle seat, especially for agricultural vehicles |
US3425318A (en) * | 1966-12-14 | 1969-02-04 | Lord Corp | Recoil isolator for machine guns and the like |
US3447833A (en) | 1967-09-13 | 1969-06-03 | Herbert C Rice | Passenger restraining system |
US3572828A (en) | 1967-10-23 | 1971-03-30 | Wilhelm Lehner | Seat for vehicle preferably agricultural vehicle |
US3482872A (en) | 1968-02-12 | 1969-12-09 | Thomas E Chamberlain | Seat belt assembly |
US3737155A (en) * | 1971-06-21 | 1973-06-05 | J Karlan | Combination vibration isolator and shock absorber |
US3724603A (en) | 1971-07-13 | 1973-04-03 | Toyota Motor Co Ltd | Collision force absorption device |
US3985388A (en) | 1975-08-11 | 1976-10-12 | Uop Inc. | Vertically adjustable seat with energy absorbing means |
EP0078479A1 (fr) | 1981-11-02 | 1983-05-11 | Engineering Patents & Equipment Limited | Aménagement de siège à absorption d'énergie |
US4662597A (en) | 1982-06-01 | 1987-05-05 | Milsco Manufacturing Company | Suspension for vehicle seat |
US4832320A (en) * | 1985-07-11 | 1989-05-23 | Gkn Technology Limited | Spring assemblies |
US4838514A (en) | 1988-06-03 | 1989-06-13 | Milsco Manufacturing Company | Vehicle seat |
US5125598A (en) | 1989-12-07 | 1992-06-30 | Bell Helicopter Textron Inc. | Pivoting energy attenuating seat |
US5176356A (en) | 1991-11-27 | 1993-01-05 | Milsco Manufacturing Company | Seat suspension with quick height adjustment |
GB2269647A (en) | 1992-08-14 | 1994-02-16 | Sulcated Springs Limited | Compliant support system |
US5368358A (en) * | 1993-05-21 | 1994-11-29 | Christensen; Roland J. | Composite spring support for bicycle seats |
US5788185A (en) | 1996-05-17 | 1998-08-04 | Impact Dynamics, Inc. | Aircraft seat having improved user lumbar load characteristics during a crash event |
EP0814020A2 (fr) | 1996-06-19 | 1997-12-29 | Martin-Baker Aircraft Co. Ltd. | Siège anti-écrasement |
US5842669A (en) | 1996-06-19 | 1998-12-01 | Martin-Baker Aircraft Company Limited | Crashworthy seat |
EP0927659A2 (fr) | 1998-01-02 | 1999-07-07 | Volkswagen Aktiengesellschaft | Système de retenue pour un siège d'enfant emporté dans un véhicule automobile |
DE10026178A1 (de) | 1999-05-26 | 2001-02-01 | Deutsch Zentr Luft & Raumfahrt | Elastisches Konstruktionselement |
US6427990B1 (en) * | 1999-09-01 | 2002-08-06 | Siegbert Hartmann | Spring body |
US20040051356A1 (en) | 2002-09-17 | 2004-03-18 | Neelis Jeffrey C. | Vehicle anchorage system for child seat |
US6767057B2 (en) | 2002-09-17 | 2004-07-27 | General Motors Corporation | Vehicle anchorage system for child seat |
US20070029444A1 (en) | 2005-05-03 | 2007-02-08 | Societe Industrielle Et Commerciale De Materiel Aeronautique | Aircraft safety seat |
US20070267792A1 (en) * | 2005-08-13 | 2007-11-22 | Elmoselhy Salah A M | Sigma-springs for suspension systems |
GB2444591A (en) | 2006-12-08 | 2008-06-11 | Ford Global Tech Llc | Deformable structure for a child safety seat |
CN101195351A (zh) | 2006-12-08 | 2008-06-11 | 福特环球技术公司 | 用于儿童安全座椅的能量吸收座椅锚固约束系统 |
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US7775479B2 (en) | 2007-01-22 | 2010-08-17 | Airbus Deutschland Gmbh | Lining framework for an aircraft |
US20100301531A1 (en) * | 2007-05-09 | 2010-12-02 | Delahousse Et Fils | Elastic suspension member of plastic material and of the spring or ball and socket type or the like for bed base, mattress or seat |
US20110147562A1 (en) | 2008-01-08 | 2011-06-23 | Smart Technologies Ulc | Safety device for a cantilevered beam and boom assembly incorporating the same |
US20090200721A1 (en) * | 2008-01-28 | 2009-08-13 | Vladimir Kobelev | Motor vehicle spring comprising fiber composite material |
US20090267391A1 (en) * | 2008-04-28 | 2009-10-29 | Eurocopter | Energy absorber element |
EP2113677A1 (fr) | 2008-04-28 | 2009-11-04 | Eurocopter | Elément absorbant d'énergie |
US8087723B2 (en) | 2008-04-28 | 2012-01-03 | Eurocopter | Crashworthy seat for a vehicle |
US8562075B2 (en) | 2008-04-28 | 2013-10-22 | Eurocopter | Energy absorber element |
US20110079681A1 (en) | 2009-09-30 | 2011-04-07 | Eurocopter | Seat for powered aircraft, the seat incorporating means for protecting its passenger in the event of a crash |
FR2965177A1 (fr) | 2010-09-23 | 2012-03-30 | Oreal | Procede de traitement des matieres keratiniques a partir d'une composition cosmetique congelee riche en corps gras liquide |
Non-Patent Citations (1)
Title |
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International Search Report dated Jun. 24, 2011 in Application No. PCT/FR2011/050424. |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170015170A1 (en) * | 2014-02-24 | 2017-01-19 | ThyssenKrupp Federn und Stabilisatoren GmbH | Suspension spring unit for a vehicle chassis |
US10675935B2 (en) * | 2014-02-24 | 2020-06-09 | ThyssenKrupp Federn und Stabilisatoren GmbH | Suspension spring unit for a vehicle chassis |
DE102017116727B4 (de) | 2016-07-25 | 2023-01-12 | GM Global Technology Operations LLC | Sitzbaugruppe mit Energieabsorber |
US10612893B2 (en) * | 2018-05-15 | 2020-04-07 | Southwest Research Institute | Vehicular external force absorption systems and methods |
USD1005975S1 (en) * | 2021-02-05 | 2023-11-28 | Mim Construction Ab | Energy absorbing member |
Also Published As
Publication number | Publication date |
---|---|
EP2542797A1 (fr) | 2013-01-09 |
EP2542797B1 (fr) | 2017-11-22 |
WO2011107706A1 (fr) | 2011-09-09 |
US20130038007A1 (en) | 2013-02-14 |
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